To knowe the quantite of houres equales.
The quantite of houres equales, that is to seyn the houres of
the clokke, ben departid by 15 degrees alredy in the bordure of
thin Astrelaby, as wel by night as by day, generaly for evere.
What nedith more declaracioun?
Wherfore whan the list to knowe hou many houres of the
clokke ben passed, or eny part of eny of these houres that ben passed,
or ellis how many houres or parties of houres hen to come fro
such a tyme to such a tyme by day or by night, know the degre of
thy sonne, and ley thy label on it. Turne thy ryet aboute joyntly
with thy label, and with the poynt of it rekne in the bordure fro
the sonne arise unto that same place there thou desirist, by day
as by nyght. This conclusioun wol I declare in the laste chapitre
of the 4 partie of this
tretys so openly that ther
shal lakke no word that nedith to the declaracioun.
